be tired out 疲倦極了
be true to 適用于
be unconscious of 不知道…
be unequal to 無(wú)法勝任…的
be unfit for 不適合，不勝任
be useful to 對(duì)…有用
be well up in 精通，熟悉
be wild with jay 欣喜
be willing to (do) 樂(lè)意…
be worried about 為…而擔(dān)心
be worse off 處境較壞，情況惡化
be worth (doing) 值得(做)
be wrong with 有點(diǎn)毛病，有些不舒服
be true to 適用于
be unconscious of 不知道…
be unequal to 無(wú)法勝任…的
be unfit for 不適合，不勝任
be useful to 對(duì)…有用
be well up in 精通，熟悉
be wild with jay 欣喜
be willing to (do) 樂(lè)意…
be worried about 為…而擔(dān)心
be worse off 處境較壞，情況惡化
be worth (doing) 值得(做)
be wrong with 有點(diǎn)毛病，有些不舒服