我本想表达真诚的歉意，但话说出来却显得充满防备且不真诚。

I meant it as a sincere apology, but it ___came ___out sounding defensive and insincere.

他本想讲一句俏皮话，但说出来却成了纯粹的讽刺，冒犯了所有人。

He tried to make a witty remark, but it ___came ___out as pure sarcasm and offended everyone.

我本意是想热情地赞美她，但话说出来却平淡无力，缺乏说服力。

My intention was to give her a glowing compliment, but the words just ___came ___out flat and unconvincing.