
A. brood /bru:d/ (on/about/over ~) = (걱정이나 화나는 일을) 되씹다[곱씹다]
= to think for a long time about things that make you sad, worried, or angry
B. at sb's beck and call = ~의 의도[지시, 시키는]대로 하다, ~가 명령만 하면 달려가는
= be always willing and able to do whatever someone asks