为此我们必须作出更大的努力的英文

we must make greater efforts in this connection

• 为此:    to this end; for t ...
• 我们:    we
• 必须:    must; have to; be ...
• 作出:    make
• 更:    more; still more; ...
• 大:    big; large
• 的:    4次方是 The fourth po ...
• 努力:    make great efforts ...