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 gas station

1 crude oil

1 cream

2 butter

1 lit. to be interested exclusively in the acquisition of estate (idiom)

2 fig. to have no lofty aspirations in life

1 lit. oily and shiny to the point of reflecting (idiom)

2 lustrous

1 arising involuntarily (idiom); spontaneous

2 to spring up unbidden (of emotion)

1 lit. blue seas where once was mulberry fields (idiom, from 史記|史记[Shǐ jì], Record of the Grand Historian); time brings great changes

2 life's vicissitudes

1 lit. the blue sea turned into mulberry fields (idiom)

2 fig. the transformations of the world