He has a theory class now

原理───principle;上课───attend class;class begins

The principle of distribution in communist society is " from each according to his ability " and " to each according to his needs ".───共产主义社会的分配原则是 “ 各尽所能 ” , “ 按需分配 ”.

To learn a language we must follow the principle of gradual improvement.───学习语言必须遵循循序渐进的原则.

State superintendence of fisheries shall operate under the principle of unified leadership and decentralized administration.───国家对渔业的监督管理,实行统一领导、分级管理.

You must state your position on matters of principle . Don't be equivocal.───在原则问题上要表明你的态度,不要依违两可.

The principle of diligence and frugality applies to all undertakings.───勤俭节约的原则适用于一切事业.

He is quite without principle.───他完全没有道德观念.

He would vote against it on principle.───他会根据原则投反对票。

Any principle is preferable to none.───任何原则都比没原则好.

She refuses to allow her family to help her as a matter of principle.

Any principle is preferable to none.

Fairness, rather than efficiency, is the guiding principle.

Haig went on to elucidate his personal principle of war.

Her idea is sound in principle.