having the responsibility or burden of something
何かの責任や負担を負っている (nanika no sekinin ya futan o otte iru)
"The success of the project is on his shoulders."
"プロジェクトの成功は彼の肩にかかっている。" (Purojekuto no seikou wa **kare no kata ni kakatte iru**.)
to disagree or be in conflict with someone or something
to make a significant discovery or achievement
to hide or ignore problems instead of solving them
Wait until a situation becomes clear or calm.
to be the most powerful person in a group or family
to surprise or shock someone suddenly