hold [one's anger] in check / restrain / suppress / control / keep a rein on [one's passions]

curb / repress / hold / restrain / keep back / contain / suppress / control / keep a rein on [one's passions] / swallow / restrict / stifle / hold [one's anger] in check

curb / hold (*one's feelings) / repress / swallow (*one's feelings) / control (*one's feelings) / restrict / stifle / hold [one's anger] in check / restrain / contain (*one's feelings) / keep back / suppress / keep a rein on [one's passions]

check / keep back / control / hold back

check / prevent / restrain / keep back / stop / hold back / detain

check / prevent / restrain / keep back / stop / hold back / detain

check / prevent / restrain / keep back / stop / hold back / detain

check / prevent / restrain / keep back / stop / hold back / detain

control *oneself / put up with / bear / control / stand / self control

keep *something within / check / hold / stem