出勤的英文：
be out on duty; turn out for work

参考例句：

I know that the professor will keep track of my attendance.
我知道教授会记录我的出勤情况。

He won the prize for regularity of attendance.
他由于经常按时出勤而获奖。

Nonparticipation, or not being there, that will lower your participation grade.
不参与，或是不出勤，那将会扣分。

I know that the professor will keep track of my attendance but that I will not have to do any papers or take any exam.
"我知道教授会记录我的出勤情况,并且也知道我不用写论文或者参加考试。"

out是什么意思：
adv. 出外；在外；离岸；出现；问世；大声地；完全；用完；不流行
adj. 外侧的；偏僻的
prep. 通过…而出；沿着…而去
n. 借口，托辞
pref. 外，超过，出，向外

be out for the count
拳击者被击倒后经裁判数到十秒还站不起来|被判失败|打输|被打败

Out of the Blue
从天上掉下来

Out of power, he is out of favour.
当他失去权力之后，他也就不再受人欢迎。

duty是什么意思：
n. 责任；义务；职责；职务；税

duty to rear; duty to provide support
抚养义务

a truck; a heavy duty truck
载重汽车

The path of duty is the path of safety
尽职的路是安全的路

turn是什么意思：
v. 使旋转；翻过来；转弯；转向；转变
n. 旋转；翻转；转弯；变化

Not turn away from the old, but turn toward the new.
不是背弃旧的，而是朝向新的。

As it turned out, the advice was bad.
事实证明，这个主意极不高明。

I'll take you at the turn.
你转身时我再来对付你。