Someone grassed on the warehouse staff for taking long breaks during the night shift.

有人向上面告密，說倉庫員工在夜班時休息太久。

He refused to grass on his coworker, even when the manager asked him directly about the missing files.

即使經理直接問他遺失檔案的事，他也拒絕告發同事。

The new hire was afraid colleagues would think she had grassed after the expense report audit.

那位新進員工擔心，在費用報告稽核後，同事會以為是她去告密的。