pin something down
- define something precisely
- define or identify something precisely
1. If you try to pin something down, you try to discover exactly what, where or when it ...決定或告訴你他們的決定。(可翻約束、牽制) 如：pin him down to a date 希望對你有所幫助!
... difficulty result from its imprecision. Although the poet may pin down the meaning of his symbol to something fairly definite and precise,as O'Reilly does in "A...
...simple something that is not very hard to do pin a solid metal material that can be use to fasten ... used for washimg dishes sprinkle something spreeading down single one or unmarried drop When something...