He circle the word or he probably writes it down first either one of those
Answer:
Pretty sure it means to be careful and not indulge in small problems and petty things and don't let anyone get you into those kinds of situations either. Basically be honorable and noble in character kind of deal, dont quote me tho im not an eng major.
1) I tried to swallow whatever was rising from my stomach, which tasted like lemonade, something fruity and sour
2) The ductless glands pour their fluids into the system to make it able to stand up to the great demand on it.
