watertight
🇺🇸
/ˈwɔːtərtaɪt/
🇬🇧
/ˈwɔːtətaɪt/
Does not let water in or out
The boat is watertight so no water gets inside.
這艘船是防水的,所以水進不去。
Made with no mistakes or weaknesses
The plan is watertight with no problems.
這個計劃天衣無縫,沒有任何問題。