查询结果:

vt. 使潜入,巧妙地进行,缓慢地前进(into);暗指,暗示;献媚;耍手段占得(有利地位),耍花招获得(官位),钻营  

拆分: in-入,向内 + -sinu-弯曲 + -ate形容词词尾     

短语: 
to insinuate oneself into sth. 钻营,钻谋,活动 

例:
He was insinuating that she slept her way to the top. 他在暗示她靠跟人睡觉才爬到了上层。 
He insinuated himself into the king's confidence. 他玩弄手段，获得了国王的信任。 
She cleverly insinuated herself into his family. 她巧妙地混进了他的家庭。 
I insinuated my shoulder in the gap. 我慢慢将肩膀伸进缺口。