1 to add oil

2 to top up with gas

3 to refuel

4 to accelerate

5 to step on the gas

6 (fig.) to make an extra effort

7 to cheer sb on

1 oil

2 fat

3 grease

4 petroleum

5 to apply tung oil, paint or varnish

6 oily

7 greasy

8 glib

9 cunning

1 wonderful

2 marvelous

3 brilliant

1 spirit

2 mind

3 consciousness

4 thought

5 mental

6 psychological

7 essence

8 gist

9 classifier: 个 gè

1 delicate

2 fine

3 refinement

1 elite soldiers, ample provisions (idiom); well-prepared forces

2 preparations for war are in an advanced state

1 extensive but not refined (idiom); to know something about everything

2 jack-of-all-trades, master of none

1 mastery of study lies in diligence (idiom). You can only master a subject by assiduous study.

2 Excellence in work is only possible with diligence.

3 Practice makes perfect.

1 to exhaust one's thoughts and ingenuity (idiom); to think sth through thoroughly

2 to rack one's brains

3 to leave no stone unturned

1 to exhaust one's thoughts and ingenuity (idiom); to think sth through thoroughly

2 to rack one's brains

3 to leave no stone unturned