"leap

1.[i][t]跳；跳跃；跳越to jump high or a long way

2.[i]+ adv./prep.猛冲；突然做（某事）to move or do sth suddenly and quickly

3.[i]~ (in sth) (from…) (to…)骤增；剧增；猛涨to increase suddenly and by a large amount

look before you leap

三思而后行used to advise sb to think about the possible results or dangers of sth before doing it

1.跳越；跳跃；跳高a long or high jump

2.~ (in sth)骤变；剧增；激增a sudden large change or increase in sth

by/in leaps and bounds

非常迅速；飞跃地；突飞猛进；大量地very quickly; in large amounts

a leap in the dark

冒险举动an action or a risk that you take without knowing anything about the activity or what the result will be

1.跳跃,跃起;跳越;迅速行动

2.(胸部等)跳动

3.现在除成语外,普通用 jump

4.交尾

5.跳过,跳越

6.使跳过

1.跳跃;飞跃,跃进;跳跃的高度[距离]

2.交尾

1.to move somewhere suddenly and quickly

2.to jump into the air or over a long distance; to jump over something

3.to suddenly improve, increase, or progress

4.to suddenly change to another time or situation, for example in a movie

1.a jump, especially one that is long or high

2.a sudden increase or improvement

3.a big change in the way that you think or in what you do