Though stung by the unfairness of her implication, in the presence of his coughing grandfather Chueh-hui could only hold back his retort and hang his head in silence, biting his lips.

• 觉慧知道她的话里有刺，但是在祖父面前，他不好发作，便掉开脸不说话，暗暗地用力咬自己的嘴唇皮。