You’re going to get in trouble if you keep slacking off so much.

你再这么拖拖拉拉的就要有麻烦了。

Monday mornings are always the hardest. I always feel tired and find myself slacking off.

周一早上总是最艰难的。 我总是感到疲倦和懈怠。

Since he started slacking off, more and more mistakes have been creeping into his work.

自从他开始偷懒以来，他的工作中出现了越来越多的错误。

He had never let a foreman see him slacking.

他从未让工头见到他偷懒过。

Stop slacking spring forward.

停止松艏倒缆。

Stop slacking two springs aft.

停止松双艉倒缆。

Stop slacking stern line (s).

停止松艉缆。

He was scolded for slacking.

他因偷懒而受责。