- solid, firm, and rigid; not easily broken, bent, or pierced；(of a person) not showing any signs of weakness; tough
- with a great deal of effort；with a great deal of force; violently
- a road leading down across a foreshore.
- 1. solid, firm, and rigid; not easily broken, bent, or pierced the slate broke on the hard floor rub the varnish down when it's hard 同義詞 反義詞
- ▪ (of a person) not showing any signs of weakness; tough only a handful are hard enough to join the SAS
- ▪ (of prices of shares, commodities, etc.) high and stable; firm.
- 2. done with a great deal of force or strength a hard whack 同義詞 反義詞
- 3. requiring a great deal of endurance or effort airship-flying was pretty hard work it's hard for drummers these days 同義詞 反義詞
- ▪ putting a lot of energy into an activity he'd been a hard worker all his life everyone has been hard at work 同義詞 反義詞
- ▪ difficult to bear; causing suffering times were hard at the end of the war he'd had a hard life 同義詞 反義詞
- ▪ difficult to understand or solve this is a really hard question
- ▪ not showing sympathy or affection; strict he can be such a hard taskmaster 同義詞 反義詞
- ▪ (of a season or the weather) severe it's been a long, hard winter 同義詞 反義詞
- ▪ harsh or unpleasant to the senses the hard light of morning 同義詞 反義詞
- ▪ (of wine) harsh or sharp to the taste, especially because of tannin.
- 4. (of information) reliable, especially because based on something true or substantiated hard facts about the underclass are maddeningly elusive 同義詞 反義詞
- ▪ (of a subject of study) dealing with precise and verifiable facts efforts to turn psychology into hard science
- ▪ denoting an extreme or dogmatic faction within a political party the hard left
- ▪ (of science fiction) dealing with technological advances which do not contravene currently accepted scientific laws or principles a hard SF novel
- 5. strongly alcoholic; denoting a spirit rather than beer or wine. 同義詞 反義詞
- ▪ (of a drug) potent and addictive. 同義詞 反義詞
- ▪ (of radiation) highly penetrating.
- ▪ (of pornography) highly obscene and explicit.
- 6. (of water) containing relatively high concentrations of dissolved calcium and magnesium salts, which make lathering difficult hard water requires much more soap, shampoo, or detergent than soft water
- 7. (of the penis, clitoris, or nipples) erect.
- ▪ (of a man) having an erect penis.
- 8. (of a consonant) pronounced as a velar plosive (as c in cat, g in go).
- 1. with a great deal of effort they work hard at school 同義詞 反義詞
- ▪ with a great deal of force; violently it was raining hard 同義詞 反義詞
- 2. so as to be solid or firm the mortar has set hard
- 3. to the fullest extent possible put the wheel hard over to starboard
- 1. British a road leading down across a foreshore.