hope的形容詞是什麼意思

While Tom's very good at science, his brother is absolutely hopeless.

湯姆很擅長理科，而他的`兄弟絕對是不可救藥。

This case is hopeless and he knows it.

這個案子毫無希望，這一點他是清楚的。

He's a hopeless case.

他是無可救藥了。

I'm hopeless at science.

我對理科一竅不通。

Our cat is hopeless at catching mice.

我們的貓絕對捉不到老鼠。

She felt lonely and hopeless.

她感到孤獨絕望。