适合

suit; fit; fit in; do; match; become; befit; agree with; be suitable for; be appropriate for; be fitting for; be right for; be proper for; be compatible with; be tailored to; suitable; meet; appropriate; fitting; proper; fitness; suitability; harmony; compatibility; appositeness; suitably; appropriately; fittingly; to; around; on point; in tune

四级

Fully Good; Band Four; four-stage; level Four

水平

level; standard; mark; league; grade; plane; notch; step; bottom; horizon; water level; horizontal; flat; even