The English term "slowly, gently, leasurely, carefully" matches the Dutch term "zachtjes"

other english words that include "slowly" : dutch :
slow, slowly, leasurely langzaam
quietly, leisurely, leasurely, slowly op zijn gemak
other english words that include "gently" : dutch :
urgently met spoed
urgently urgent
cautious, gently, careful, carefully voorzichtig
other english words that include "leasurely" : dutch :
slow, slowly, leasurely langzaam
quietly, leisurely, leasurely, slowly op zijn gemak
other english words that include "carefully" : dutch :
cautious, gently, careful, carefully voorzichtig