dissimulate

1. V-T/V-I When people dissimulate, they hide their true feelings, intentions, or nature. 掩飾(真實的情感、意圖或本性)[正式]

This man was too injured to dissimulate well. 這個男人傷得太重，不可能掩蓋得住。

He didn't attempt to dissimulate or conceal his true feelings. 他沒有嘗試著掩飾或隱瞞自己的感受。