1. 医生开始给那个男孩动手术。

[ yī shēng kāi shǐ gěi nà gè nán hái dòng shǒu shù 。 ]

The doctor began to operate on the boy.

2. 护士在手术室协助医生动手术。

[ hù shì zài shǒu shù shì xié zhù yī shēng dòng shǒu shù 。 ]

The nurse assisted the doctor in the operating room.