at leisure

not occupied; free

清閑，不忙，有空

the rest of the day can be spent at leisure.

這天剩下的時間可以輕松度過了。

in an unhurried manner

從容地，不慌不忙地

the poems were left for others to read at leisure.

這些詩是留給別人慢慢去讀的。

at one's leisure

at one's ease or convenience

有空時，方便時

lady (或 man, gentleman) of leisure

a woman or man of independent means or whose time is free from obligations to others

（經濟獨立或沒有負擔的）悠閑女士（或男士）

at (one's) leisure

When one has free time; at one's convenience

當某人有自由時間時；在某人方便時

I'll return the call at my leisure.

我有空就會來拜訪