As the team leader, he is broad-shouldered enough to handle all the pressure of this project.

broad-shouldered 是由形容词 broad（宽阔的）和名词 shoulder（肩膀）加上后缀 -ed 组成的复合形容词。字面意思是"肩膀宽阔的"，引申为"能承担重任的、坚强可靠的"。