Definition: to hide something Level: C2
窃听装置被藏在一支钢笔里。
The listening device was ___concealed in a pen.
她几乎无法掩饰自己的恼怒。
She could barely ___conceal her irritation.
她设法对所有人隐瞒了她黑暗的秘密。
She had managed to ___conceal her dark secret from everybody.
