This is a check mark in American English.

在美式英语里这是打勾标记。

So, this is a check mark. Check!

所以， 这是一个复选标记。查看！

And look at all those check marks.

你看看这些标记。

That's a check mark in the plus column.

这是一个好的信号。

So, " to check off" means to put a check mark next to something to indicate that you have completed it.

所以，“to check off”的意思是在某事旁边打勾，表示你已经完成了它。

At the end of every day, if you have a calendar, put a check mark on the calendar to indicate that you learned some English that day.

每天结束时，如果您有日历，请在日历上打勾以表明您那天学习了一些英语。

Palm Beach County voters were given ballots that required them to draw a line to complete an arrow pointing to their preferred candidates, a potentially confusing alternative to the more common methods of filling in a bubble or making a check mark.

棕榈滩县的选民拿到的选票要求他们画一条线让那个指向他们支持的候选人的箭头变成一个完整的箭头，比起更加常见的涂圆圈或者打勾，这种方式容易让人产生混淆。