どっこいしょと腰を下ろすの英語

to sit down―seat oneself―（on something）

I sank into the chair.

a shoulder sloping gently downward

to make a person stoop by having him/her bend his lower body

to sink into a chair

bump and grind

to settle oneself （in a place）

the waist and hips of a human body

the state of being seated down

a posture of half bending at the waist

He is condescending―civil―polite.

to shampoo away the stiffness of the shoulders

both the upper and lower parts of the body as is measured from the waist of the body

to become bent （with age）

Let's sit down and consider.

a thing worn at the waist

to shampoo away the stiffness of the shoulders―shampoo the shoulders out of stiffness

to be determined to accomplish one's purpose

She is bent double with age.

to make one's posture in a low position by bending over at the waist or by bending one's legs

He can not settle down to his work.

to show fight―cut up rough―assume a defiant attitude

One is paralyzed with terror

a low bow

of one's back, the condition of being bent

to twist at the waist

have stiff shoulders

to be paralyzed with terror―petrified with terror―One's knees give way―One's strength fails one

the state of being in a vulnerable position

He rocks his hips back and forth.