Definition: in a firm or tight way Level: C2
他试图逃跑，但她紧紧抓住了他。
He tried to get away, but she held him ___fast.
这些传统将我们的社区紧密地维系在一起。
These traditions hold our community ___fast.
胶水把碎片牢牢地粘住了。
The glue held the pieces ___fast.
