Daily Chinese Idiom Guessing Game
To not mind taking the trouble; to do something patiently and without complaint.
厌嫌。不嫌麻烦。
清·夏敬渠《野叟曝言》第一百三十八回评每阅数年，必综叙素臣生子生孙，娶妇嫁女，中科发甲。而读者不厌其烦，甚至一回之中，先后数见，绝无沓冗繁复之病。”
The teacher explained the problem multiple times, not minding the trouble.