工作卖力的人的英文：
an eager beaver
参考例句：
他似乎从不知什么叫累，真是个用功的人。
He seems never to know what tiredness is, and he's really an eager beaver.
adj. 热切的；热心的；渴望的，急切的
She is eager for success.
她渴望成功。
They are eager to have a glance at the bride and bridegroom.
他们都急切地想看一看新郎和新娘。
The man is an eager beaver.
那人工作很卖力。
n. 海狸；海狸皮毛；工作勤恳的人
This is a coat with a huge beaver collar.
这是一件大河狸领外套。
I have a beaver hat.
我有一顶海狸皮帽子。
The man is an eager beaver.
那人工作很卖力。
v. 似乎；像是；装作
The weather seemed favorable for the race.
这天气似乎很适合赛跑。
On the face of it, it seems quite reasonable.
从表面看，这似乎很合理。
He seems so undynamic.
他看起来一点生气都没有。