He was a Master of Science and also the master hand in mathematics.

是个理科硕士，并且是数学手。

They did not come forward to kiss the master's hand (an Asiatic custom they had abandoned long ago), but bowed respectfully.

们没有前亲吻主人手（们早就放弃了亚习俗）， 而是恭敬地鞠躬。

Now, in the haymaking season, he had tried his hand with the scythe—but he was no master hand at that, no.

现在，在收割干草季， 过用镰刀动手——但不是这方面高手， 不。

In anger his master handed him over to the jailers to be tortured, until he should pay back all he owed.

主人就大怒，把交给掌刑，等还清了所欠债。