胸有城府 meaning in English

mental reservation; reticence

A face habitually suppressed and quieted , was still lighted up under the quaint wig by a pair of moist bright eyes that it must have cost their owner , in years gone by , some pains to drill to the composed and reserved expression of tellson s bank
那张脸习惯性地绷着，一点表情也没有。可在那奇妙的假发之下那对光泽明亮的眼睛却闪着光辉。看来这人在训练成为台尔森银行的那种胸有城府不动声色的表情的过程中确曾饱经磨练。
Their behaviour at the assembly had not been calculated to please in general ; and with more quickness of observation and less pliancy of temper than her sister , and with a judgment , too , unassailed by any attention to herself , she was very little disposed to approve them
她比她姐姐的观察力来得敏锐，脾气她没有姐姐那么好惹，因此提到彬家姐妹，她只要想想她们在跳舞场里的那种举止，就知道她们并不打算要讨一般人的好。而且她胸有城府，决不因为人家等待她好就改变主张，她不会对她们发生多大好感的。