4 - I was a bundle of nerves.
4 - Someone who is feeling extremely nervous and worried about something.
1 - I managed to get the metro by the skin of my teeth.
1 - To only just succeed in doing something.
6 - But I’ve got a bit of a sweet tooth.
6 - To like eating sweet foods, especially sweets and chocolate
5 - But I was lying through my teeth.
5 - To say something that you know is completely false.
3 - They have a karaoke room where you can really let your hair down.
3 - To have fun and behave more freely than usual.
2 - I really struggled to get my head around the map.
2 - To understand something challenging.