tightrope walking; high-wire act; funambulism; treading a tightrope; walking on thin ice; pulling a risky balancing act
tug of war (orig. a form of divination to predict whether the year will be favourable or unfavourable); forward puller (of a rickshaw)
last ray of hope; only hope
ozeki wrestler's attempt to reach the rank of yokozuna; being eligible for promotion to yokozuna
one's last hope; one's only hope; the last hope
Asplenium antiquum (species of spleenwort); Dendropanax trifidus (species of flowering plant); leaves used for serving or offering sake, rice, etc.
to become a yokozuna; to be a yokozuna