He said, 'It's difficult to make a life,' explaining the phrase 'When a man steps over the threshold, he has seven enemies.'

He said, 'Man shall not live by bread alone,' teaching me that spiritual satisfaction is also important.

He exhausted his strength to finish the work.

He was surprised to see the new display shelf.

The People's Democratic Republic of Yemen was once an existing country.

Jin will exert himself for the success of this project.

Protein-degrading enzymes play a role in breaking down unnecessary proteins in the body.

I used an optical microscope for an experiment at school.

I mainly use public transportation facilities for commuting.

He had a throat problem, and it was found that his posterior cricoarytenoid muscle was not functioning properly.