胸

foolhardiness; daredevil courage

to have steady nerves; to gain courage; to become brave; to become confident

Sumo

to have training bouts with one's junior during practice (of a senior wrestler)

one's mind; one's inner feelings; (a decision hinging on) how someone feels about it

to keep to oneself (secret, etc.)

to break one's heart

sick; nauseated

angry; irritated

to be relieved of a worry; to get a load off one's chest

on-stage composure

breast augmentation

to become consumptive

to suffer from pulmonary tuberculosis; to have trouble in one's lungs

to keep to oneself; to bear in mind

machination; secret plan; plot; trick up one's sleeve

to be filled with thousand emotions; to be overwhelmed by a flood of emotions; to be wrought by a thousand emotions

thoracic surgery

sternocleidomastoid muscle; sternomastoid

to be frightened

Medicine

chest disease

Anatomy

thoracic aorta

the most trying spot or period; the most difficult period

thoracentesis; thoracocentesis; pleural tap

calculating in one's head

being bold; daring; plucky; having a lot of guts; being quite nerveless