Snce you can't understand each other as you would like then rely more on your body language, your eye contact, the way you express yourself. Keep in mind that more than 90% of the comunication is non verbal so what we say is not as important as we want to think it is.
Check these 3 videos that I'm sure can help you out with the things that I just tould you.
This is a video of Marlon Brando, check not only his eye contact but his body
language.
https://www.youtube.com/watch?v=Zg3wDlS ... bxgZ5hWo_W
This is the best video I've seen about eye contact
https://www.youtube.com/watch?v=_0RVo-s ... jdWDRfxft5
These are some tips for nightgame. Focus on not getting drunk and or escalating too quickly.
https://www.youtube.com/watch?v=Su7ok6d ... 3ol_I_0AKp