1.Jack thought he himself was rather smart.
=Jack thought himself rather clever.
2.You should focus/center/concentrate/fix (your attention) on/upon this question/problem.
注:/号表示可任意选用其一,( )号表示可以省略.
1.Jack thought he himself was rather smart.
=Jack thought himself rather clever.
2.You should focus/center/concentrate/fix (your attention) on/upon this question/problem.
注:/号表示可任意选用其一,( )号表示可以省略.