English Dictionary

bob

/bɒb/

verb

(intransitive) To move gently and vertically, in either a single motion or repeatedly up and down, at or near the surface of a body of water, or similar medium.

Bob likes to bob up and down in the water.

意味（1）

(intransitive) To move gently and vertically, in either a single motion or repeatedly up and down, at or near the surface of a body of water, or similar medium.

The cork bobbed gently in the calm water.

意味（2）

(transitive) To move (something) as though it were bobbing in water.

I bobbed my head underwater and saw the goldfish.

意味（3）

To curtsy.

意味（4）

To strike with a quick, light blow; to tap.

He was suddenly bobbed on the face by the servants.