Màn man de, tā fàngxia le jièxīn, kāishǐ xìnrèn tā.
Gradually, he let his guard down and began to trust her.
Tips
memory
戒 = to guard against / to be careful; 心 = heart/mind. 戒心 is the 'guarding heart' — a mental state of alertness and caution. Common phrases: 有戒心 (to be wary), 放下戒心 (to lower one's guard).
