不得不，只得，必须，感谢...

If the theme were hackneyed, I should be obliged to deal gently with the reader.假如这是个老生常谈的题目, 我只消向读者轻描淡写一番就行了.Will they, too, be obliged to sing in German?该不会它们也被迫用德语唱歌 吧 ?The principal be obliged to pay the wages to the...

be obliged to的音标：...