be open to愿意听取和接受
My boss is open to suggestions and critics from all aspects
我的老板乐于接受来自各方面的意见和建议
Colleges in the United States are open to students of all ages.
throw one's hat in the ring参加竞赛或是政治竞选
The sport meeting is going to be held in a few weeks,and he had thrown his hat in the ring
运动会几周后就要开始了,他已经报名参加了
My hat's in the ring
我已经决定参加竞选了