But how to strike the balance between charm and ingratiation?

不过，如何在展现魅力与奉迎讨好之间达到平衡呢？

youdao

Not being able to stand his ingratiation, I helplessly agreed to his request.

嚅嗫我经不住他的死缠硬泡，无奈地答应了他的请求。

youdao

There is no justice less courage, chopped; ingratiation beat hippology coward, bah;

没有正义少胆量，斩；逢迎拍马学懦夫，呸；

youdao

Ingratiation is no cakewalk for entrepreneurs because they are so solidly wedded to their convictions.

FORBES: Magazine Article

Further, we need to recognize and navigate contentious tactics (ingratiation, shaming, blaming, threats, even violence).

FORBES: Want Proof that Collaborative, Interest-Based Negotiation is More Durable?

When used skillfully, ingratiation is an effective weapon against workplace ostracism defined as being systematically ignored by colleagues and superiors.

FORBES: Is Sucking Up at Work Good for Your Health?