1 old variant of 留[liú]

1 synchronous

2 to synchronize

3 to keep step with

1 surname Bu

1 step by step

2 at every step

1 to leave behind

2 to stay behind

3 to remain

4 to keep

5 not to let (sb) go

1 one step, one footprint (idiom); steady progress

2 reliable

1 reaching heaven in a single bound (idiom); (esp. with negative: don't expect) instant success

1 the one who has retreated 50 steps laughs at the one who has retreated 100 steps (idiom)

2 the pot calls the kettle black

1 to blindly follow suit (idiom)

2 to imitate slavishly

3 to do what everyone else is doing

1 when a girl is of age, she must be married off (idiom)