I tried to reach him, but the line was engaged.

我试过联系他，但电话占线。

《柯林斯英汉双解大词典》

The line isn't engaged.

这线路不占线。

youdao

As often as I tried to phone him the line was engaged.

每次我给他打电话都占线。

youdao

Sorry, Sir, the line is engaged.

对不起，先生，电话占线。

youdao

We are engaged in the line of foodstuffs.

我们从事食品买卖。

youdao

His line is engaged.

他的线路在接听中。

youdao

Sorry, the line is engaged now.

对不起，电话在占线。

youdao

Sorry, the line is engaged now.

对不起，电话在占线。

youdao