effortful是什么意思

adj.显示努力的,充满努力的,需要努力的

1、Learning a new language is often effortful, but it can be very rewarding in the end.
学习一门新语言通常是费劲的，但最终可能会带来很大的回报。

2、She put in an effortful performance during the competition and won first place.
她在比赛中付出了努力，并获得了第一名。

需要努力的，费力的