•International private law (legal term) -

国际私法。由于世界各国民法和商法互不相同，在处理含有涉外因素的民事或商事案件时，需由国际私法来决定应当适用哪国法律。由于涉外因素又称国际因素，民法和商法在西方传统上称为私法，国际私法因而得名。各国民法和商法歧异的情况，法律术语称为民法的抵触或冲突，因此国际私法又称冲突法（Conflict of laws）。

•Pay attention (to sb/sth) (phrase) -

To watch, listen to, or think about something or someone carefully or with interest.（关注，重视）

Examples:　　

1.If you really pay attention, you can see how he develops the story and learn some techniques.　　

2.I'm sorry, I wasn't paying attention to what you were saying.

•Embark on/upon sth (phrasal verb) -

To start a new or important project or activity, usually one that will be difficult and will take time（开始，着手）

Examples:　　

1.The new government embarked upon an energetic legislative programme.　　

2.We're embarking on a new project later this year.

•Hold on to sth (phrasal verb) -

If you hold on to something that gives you an advantage, you succeed in keeping it for yourself, and prevent it from being taken away or given to someone else.（抓住，不放弃）

Examples:　　

1.She is a politician who knows how to hold on to power.　　

2.You should hold on to that freedom for as long as possible.

•Press on/ahead (phrasal verb) -

To start or continue doing something in a determined way, often despite problems. （（不顾困难地）继续进行）

Examples:　　

1.It was pouring with rain, but we pressed ahead regardless.　　

2.Organisers of the strike are determined to press on.