坚持，不放弃；忠于，拥护到底的英文

stick to

• 坚持:    persist in; persev ...
• 不:    a block of wood
• 放弃:    give up; abandon; ...
• 忠于:    true to; loyal to; ...
• 拥护:    support; uphold; e ...
• 到底:    to the end; to the ...