At one's convenience
研究生 Graduate最方便地, 最合适地
🧩 词语组成解析
at
[æt]
prep. （表示位置）在;在（某时间或时刻）;以，达; 向，朝;
n. 阿特（老挝辅币单位，100 阿特 = 1 基普）;
a. 人们的；自己的
🗣️ 情景例句
to keep working on my fashion designs.
继续我的服装设计工作。
Of two evils choose the least.
权衡两害，取其轻者。
I was able to tell him that he had pulled out the wrong tooth.
我总算有可能告诉他，他拔错了牙。