电线: wire, power cord...
掩饰: to cover up, to conceal, to mask, to gloss over...
诉苦: to grumble, to complain, grievance...
讨好: to get the desired outcome, to win favor by fawning on sb, to curry favor with, a fruitful outcome to reward one's labor...
生疏: unfamiliar, strange, out of practice, not accustomed...
触摸: to touch...
扫墓: to sweep a grave (and pay one's respects to the dead person)...
乞丐: beggar...
专心: to concentrate, absorption, concentration, engrossed...
灰色: gray, ash gray, grizzly, pessimistic, gloomy, dispirited, ambiguous...
