Strike up sth (with sb): to begin a friendship, a relationship, a conversation, etc (与某人)建立友谊,开始来往,交谈起来
He would often strike up conversations with complete strangers. 他爱和更本不相识的人攀谈。
keep to yourself also keep yourself to yourself : to live a very quiet private life and not do many things that involve other people 离群索居,不与别人来往,不管别人的事
Nobody knows much about him; he keeps himself very much to himself.
谁对他都不太了解,因为他很少和人交往。
Scenery: 风景,景色
The mountain scenery is majestic.
这山景十分壮丽。