

의자가 흔들려서 드라이버로 나사를 조였어요.
[ɰit͡ɕaka hɯntɯlljʌsʌ tɯlaipʌlo nasalɯl t͡ɕojʌs͈ʌjo.]
The chair was wobbly, so I tightened the screws with a screwdriver.
선반이 기울었는데 나사를 조여야 할 것 같아요.
[sʌnpani kiulʌnnɯnte nasalɯl t͡ɕojʌja hal kʌs katʰajo.]
The shelf is tilted, so I think I need to tighten the screws.
안경이 자꾸 흘러내리면 나사를 조여 보세요.
[ankjʌŋi t͡ɕak͈u hɯllʌnɛlimjʌn nasalɯl t͡ɕojʌ posejo.]
If your glasses keep slipping down, try tightening the screws.
"나사를 조이다" is in the lesson "Verbs 12" (Level 24), along with 11 other useful words. LinDuo has 180 topic lessons like this one, 2,380 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.