1 speed

2 rate

3 velocity

4 (music) tempo

5 classifier: 个 gè

1 surname Gao

1 happy

2 glad

3 willing (to do sth)

4 in a cheerful mood

1 the speed of light

1 to speed up

2 to expedite

1 lit. to fight it out with sb to see who is best (idiom)

2 fig. to cross swords with

3 to lock horns

1 can't recognize tall or short (idiom); doesn't know what's what

1 to feel unconcerned and let matters rest (idiom)

1 man seeks his way up just as water seeks its way down (idiom)

2 one should constantly strive to make progress

1 lit. build a high desk of debt (idiom); heavily in debt