casual a.偶然的；随便的；
sensual adj. 肉欲的、淫荡的；
unusual adj.不常见的；奇异的；
usual adj.通常的；平常的；
visual a.看的；看得见的
扩展资料
There is a growing tendency among employers to hire casual staff.
雇主雇用临时职员有增加的.趋势。
To the casual observer, the system appears confusing.
乍看起来，这个系统好像条理不清。
Its obvious even to the casual observer.
即便再马虎的人也能一眼看明白是怎么回事。
He tried to sound casual, but I knew he was worried.
他讲话时试图显得不在乎，但我知道他心里着急。
Add a scarf for a casual effect.
再围上一条围巾以显得随便些。
