set foot in
...2. He has been to left for America and (will) never set foot in his house here again. 3. We are meant to for each other...
...當作鑽石矇騙過去。/這些情報員想辦法要(讓自己)以富商的身分矇過去。 4. to set foot in(side) a place = to go into a place 字面意思是「把腳放進某處」，有點像中文...
很難直接翻譯吧 可以說set feet in two(both) fields.