I am going to have to cancel this evening's make-up class because I have still not recovered from the flu.

我不得不取消今晚的补课，因为我感冒还未康复。

youdao

Girls are more likely to speak up frequently and make significant contributions to class.

女生更有可能经常发言，并对班级做出重大贡献。

youdao

The class monitor tried to make up for the mess by reorganizing the class event as students were not interested in the original one.

班长试图通过重新组织活动来弥补混乱，因为学生们对原来的活动不感兴趣。

youdao

All these things -- health care security, American manufacturing, rebuilding America and putting construction workers back to work, making sure our kids are getting a great education and can afford college -- all these things that make up a middle-class life, they all tie together.

WHITEHOUSE: The White House

The protesters argue that politicians, too, have ignored kidnapping because its victims make up a relatively small middle-class constituency.

ECONOMIST: Crime in Mexico: Fear of captivity | The

The Senate has already passed a bill that would make sure that middle-class taxes do not go up next year by a single dime.

WHITEHOUSE: President Obama Speaks on the Importance of Extending Tax Cuts for Middle-Class Families | The White House