By courtesy.

礼貌───politeness;出于───Out of

Daniel's few encounters with Gold had been characterized by a laboured politeness.───丹尼尔与戈尔德的几次碰面都只是虚礼客套一番。

His politeness was only on the surface.───他只是表面上客气.

Many Eastern Asians prefer to hold their emotions in check and instead express themselves with great politeness.───许多东亚人更喜欢控制自己的情绪，以非常礼貌的方式表达自己。

She listened to him, but only out of politeness.───她只是出于礼貌听他讲话。

After a show of politeness, Li squeezed his way into the seat.───李先生假客套一下, 便挨挨擦擦地坐下.

His veneer of politeness concealed a ruthless determination.───他彬彬有礼的伪装下隐藏着不择手段的狠心.

I left as early as was consistent with politeness.───我在不失礼的情况下,提前离去了.

Her veneer of politeness began to crack.───她那彬彬有礼的伪装开始露馅儿了。