in all sincerity, open-heartedly, wearing one's heart on one's sleeve

(transitive with à) to adopt a my-way-or-the-highway attitude towards someone, to tell someone to take it or leave it, to give someone an ultimatum, to force someone to make a decision

(figuratively) to hold the cards, to hold all the aces (to be in a strong position, possessing significant advantages over someone else) / (figuratively) to have everything one needs to do something, to deal with a situation, a problem

to bet one's boots that, to bet one's bottom dollar that (to be absolutely sure that)

Alternative form of en un tournemain

(simile) like two peas in a pod (very close)

to be open-handed, to be generous

(figuratively) to muck in, to put one's shoulder to the wheel, to get one's hands dirty

(transitive, informal) to bust, to catch red-handed, to catch with one's hand in the cookie jar

(figuratively, informal) to be bone-idle, to be extremely lazy