求翻译：4.分色线不齐：施工前应认真划好粉线，刷分色线时要靠放直尺，用力均匀，起落要轻，排笔蘸量要适当，从左向右刷。是什么意思？

4 color separation line missing: a good plan should be carefully pre-construction powder line, Shuafen put a ruler to rely on the color line, force uniform, ups and downs to light, the amount to the appropriate row of dip pen, brush from left to right.

Line 4 is not without color separations . : pre-construction should carefully plan our powder line, brush color separations should rely on line when placed rule。 evenly, ups and downs, effortlessly to light, brush and dip it should be appropriate volume from left to right, brush.

4. minutes streaks are uneven: Before the construction should delimit the chalk line earnestly, brushes when a minute streak must depend on puts the straightedge, the effort is even, the rise and fall must be light, the broad paint or whitewash brush made of a row of small brushes dip the quantity t

4. separation lines are not aligned: before the construction should be seriously good chalk line, brush a separation line depends on a ruler, well-distributed, rise and fall of light, combination brush pen dipped in the amount due, brush from left to right.