Eng: To keep

維持

Guard, Guarded, Guarding, Guards, Keep, Keeping, Keeps, Kept, Maintain, Maintained, Maintaining, Maintains, Preserve, Preserved, Preserves, Preserving, Support, Supported, Supporting, Supports, Sustain, Sustained, Sustaining, Sustains, To guard, To keep, To maintain, To preserve, To support, To sustain

預留

Keep, Leave, Reserve, To keep, To leave, To reserve

保持

Held, Hold, Holding, Holds, Keep, Keeping, Keeps, Kept, Maintain, Maintained, Maintaining, Maintains, Remain, Remained, Remaining, Remains, To hold, To keep, To maintain, To remain

遵守

Abide, Act in, Follow, Followed, Following, Follows, Keep, Obey, To abide, To act, To follow, To keep, To obey