horse around [ hɔːs əˈraʊnd ]

in a nutshell [ ɪn ə ˈnʌtʃɛl ]

lion's share of something [ laɪənz ʃeər ɒv ˈsʌmθɪŋ ]

have egg on your face

eat like a horse [ iːt laɪk ə hɔːs ]

In other words [ ɪn ˈʌðə wɜːdz ]

On the contrary [ ɒn ðə ˈkɒntrəri ]

The thing is [ ðə θɪŋ ɪz ]

So as to / so that [ səʊ æz tuː / səʊ ðæt ] She left early so as to catch the train / She works hard so that her children have a better life.

have a tiger by the tail [ hæv ə ˈtaɪɡə baɪ ðə teɪl ]

as cool as a cucumber [ æz kuːl æz ə ˈkjuːkʌmbə ]