shut up / keep something to oneself / be silent / fall silent / cease to speak / close *one's lips / hold one's tongue / stop speaking / say nothing / keep silent

offer no rebuttal / put up with / give no more [advice] / remain indifferent

make *something doubly sure / tell *someone again

add an insurance run <baseball> / add [two] more points for insurance <football,etc.>

be slack / be noncommittal / slackness / looseness / be loose

lax / loose / slack

drag on / continue pointlessly / be never-ending

(of a slope) be easy / (of a slope) incline slightly / (of a slope) be gentle

Dar es Salaam

potbelly [stove]