at ease 自由自在；安心；安逸；舒适

【例句】
The University also has advisers who explain the rules of student life and try to help international students feel at ease.
学校还派有专人负责解释学生生活的各项规则，帮助留学生逐渐感到自由自在。

His gracious manners put me at ease.
他的谦和宽厚的态度使我感到自由自在。