scruple

顧忌、良心不安常用複數

He has no scruples about lying to get what he wants.

他為了達到目的而說謊，完全不會有任何顧忌。

道德原則、良心

Her scruples kept her from accepting the questionable offer.

她的道德原則使她無法接受那個可疑的提議。

顧忌、遲疑正式；多用於否定句

They did not scruple to use threats against their competitors.

他們毫不顧忌地對競爭對手使用威脅手段。