To feign a fawning smile and hunch one's shoulders; describes an unsightly, obsequious posture adopted to curry favor.
面对部门主管的严厉目光，他只能谄笑胁肩，唯唯诺诺地答应下来
Faced with the stern gaze of the department head, he could only offer a fawning smile and hunch his shoulders, meekly agreeing to everything.
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