他输掉比赛后真的很难过。

He ___took ___it really ___hard when he lost the game.

这个移动硬盘看起来很轻便。

This portable ___hard ___drive looks lightweight.

这份工作很难，需要很大的耐心。

This job is very ___hard and requires a lot of patience.

这块木头非常硬，很难用普通工具切割。

This piece of wood is so ___hard that it's difficult to cut with regular tools.

老师对那些作弊的学生进行了严厉的惩罚。

The teacher gave the cheating students a ___hard punishment.