网易公开课VOA短语系列about heart

• the heart of the matter.

the principle or essential,or nature of something事情本质

• take heart.

no fear about or be encouraged to do something

• heavy heart,

feel sad or depressed

• a heart-to-heart talk,

talk honestly and truthfully

• from the bottom of my heart.
• open up my heart.
• speak with all my heart
• wears her heart on her sleeve袖子（非常坦承）
• a kind-hearted person,

somethng may well mean（意味着） being a nice person

• you have a heart of gold,

who a very good person

• a change of heart,

to change someone's mind or idea

• a heart of stone铁石心肠
• my heart goes out.

feel sympathy

• lose heart
• have my heart set on . have decision
• break my heart