do sth 吧?就是高兴去做某事儿
很高兴做某事比如i'm glad to see you,很高兴见到你
很乐意去做be willing to do一个意思很乐意效劳
太多了啊,be glad to do 很乐意做某事 i am very glad to see my teachers and classmates 我见到我的同学很高兴.we will be glad to attend.我们很乐意去参加.i'll be glad to show you everything.我将很乐意向你们展示一切.
乐于做某事= be pleased to do be delighted to do
My birthday party I am glad to invite my family and friends to my party.
We are very glad to do that!I am very glad to meet you!We are very glad to meet you! He is always glad to help others.他总是乐意助人. I am very glad to see my teachers and classmates in new term. 我见到我的同班同学很高兴.We will be glad to attend.我们很乐意去参加.I'll be glad to show you everything.我将很乐意向你们展示一切.