I didn't express anger at my unhelpful friends.

对于不愿帮忙的朋友，我并没有表示生气。

His behavior is unhelpful for me at all.

他的这种行为对我毫无帮助。

Unhelpful plans will only delay the progress of our project.

无用的计划只会拖延我们的项目进度。

The criticism is both unfair and unhelpful.

这种批评不合理且无益。

He chafes at the unhelpful pressure to wed from his parents and neighbors.

他对来自父母和邻居的无益的结婚压力感到恼火。

The taxi driver was being very unhelpful.

那个出租车司机不肯帮忙。

The waiters were rude and unhelpful, the manager ditto.

这些服务员态度生硬，服务不周，经理也一样。