1. Of clothes and shoes, to fit very closely to your body. English = (be) tight, (be) tight fitting.
2. To pull a rope or chain so that it is straight; to move or turn a fastening so that it is more firmly in place or holds something more firmly. English = tighten.
3. To bear a painful or difficult situation calmly and patiently. English = endure, withstand. Idiomatic English = suffer in silence.
4. To want to go and urinate desperately and urgently, especially when you are in a situation where you can't go immediately. Idiomatic English = bursting to go to the toilet.