擅于

yī wèi shàn yú huí bì jì zhě wèn tí de lǎo shǒu

一位擅于回避记者问题的老手

a skilled dodger of reporters' questions

tǎn bái shuō nǐ bìng bù shàn yú zài páng guān kàn

坦白说，你并不擅于在旁观看。

Honestly, you're not good at sitting on the sidelines.