他需要一把电锯来清理倒下的树枝。

He needs a ___chainsaw to clear the fallen branches.

他在后院用链锯砍倒了一棵枯树。

He ___chainsawed down a dead tree in the backyard.

他的批评像电锯一样切穿了整个团队的士气。

His criticism cut through the team morale like a ___chainsaw.