raise/improve提高 reduce减少 decrease降低 join in/take part in 参加 for example 比如 strengthen 加强 build up锻炼 think about 思考 time时间 turn转折
on one hand, on the other hand 一方面,另一方面
on the contrary相反
what's more而且
take measures采取措施
in my opinion在我看来
as far as I am concerned就我而言