to express an opinion认为;发表意见
[ + speech ] Power grows from the barrel of a gun, opined Mao.毛泽东说,枪杆子里面出政权。 [ + that ] Ernest Rutherford opined that his work on radioactive substances would be of little or no practical use.欧内斯特‧卢瑟福认为,他对放射性物质的研究工作没有多少或者没有实际用处。