新三年，旧三年，缝缝补补再三年的英文

this suit of mine is six years old, but i can make it last another three years

• 新:    new; fresh; novel; ...
• 三年:    triennium
• 旧:    past; bygone; old
• 三:    three
• 年:    year
• 缝缝补补:    sew up
• 再三:    over and over agai ...