incurable (a)
/ɪnˈkjʊrəbl/

that cannot be cured

tenuous (a)
/ˈten·ju·əs/

so weak or uncertain that it hardly exists

fragile (a)
/ˈfrædʒl/

easily broken or damaged

unpredictable (a)
/ˌʌnprɪˈdɪktəbl/

that cannot be predicted

fatigue (n)
/fəˈtiɡ/

a feeling of being extremely tired

subject to (phrasal verb)
/ˈsʌb.dʒekt tuː/

to be under power; dependent

have a handle on it (phrase)
/hæv ə ˈhændl ɑn it/

to control it

intellectually (r)
/ˌɪntəˈlɛktʃuəlli/

in state of connected with or using a person's ability to think

impermanent (a)
/ɪmˈpərmənənt/

that will not last or stay the same forever

instinctively (r)
/ɪnˈstɪŋktɪvli/

based on instinct, not thought or training

persist (v)
/pərˈsɪst/

to continue to do something despite difficulties or opposition, in a way that can seem unreasonable

manipulate (v)
/məˈnɪp·jəˌleɪt/

to control or influence someone or something

the case (phrase)
/ðə keɪs/

a particular situation

influence (v)
/ˈɪnˌflu·əns/

to have an effect on the way that someone behaves or thinks, especially by giving them an example to follow

manipulation (n)
/məˌnɪp.jʊˈleɪ.ʃən/

the act of controlling or influencing someone or something

catastrophic (a)
/ˌkæt̮əˈstrɑfɪk/

causing great suffering or destruction

best laid plans (phrase)
/bɛst leɪd plænz/

best thought plans for the future

security (n)
/sɪˈkjʊər·ɪ·t̬i/

a statement that something will certainly be true or will certainly happen

conceivably (r)
/kənˈsivəbli/

in theory

appropriately (r)
/əˈproʊpriətli/

in way of suitable, acceptable