1. on foot 步行" r( F8 R; B5 ]" s3 `& h+ a0 O& y
2. at the foot of 在…的脚下 / J4 J( |; b ]3 v7 K7 F 3. forbid sb. to do sth. 禁止& @- L- p+ ^- I
4. force sb. to do sth. 强迫$ D: d- G8 Z7 G* |
5. forget to do sth. (还没做)forget doing sth. (已做完)忘记做某事 0 O, }& H% H4 @8 `: U0 B5 L) i 6. forget it. 算了吧。 不放在心上% a+ D1 c3 e6 p: }0 d& E
7. forget oneself 失态;忘形 0 A5 q" i5 u* { 8. forgive and forget 不念旧恶1 w2 j' u4 l7 G' p& N1 ~
9. in the form of 以…形式 4 k( W& d4 p) r Z& A" f* } 10. form a habit of 养成……的习惯