测 Stroke Order

harboring unfathomable motives (idiom)

unfathomable / unpredictable / treacherous

see 居心叵測|居心叵测[ju1 xin1 po3 ce4]

to investigate / to survey

to survey and evaluate

to change unpredictably / unpredictable / erratic / treacherous

to probe / to take readings / to explore / exploration

detector / probe / craft

speculation / to conjecture / to surmise / to speculate

to guess / to conjecture

to detect / to test / detection / sensing

to detect / to sense

survey / to measure / to gauge / to determine

to test (machinery etc) / to test (students) / test / quiz / exam / beta (software)

to forecast / to predict

to guess / to conjecture / to surmise

to monitor

to observe / to survey / observation (scientific etc)

to test and evaluate

to survey and draw / to map

test / to test / CL:次[ci4],個|个[ge4]

to take measurements and calculate

measure / detect

telemetry

deep and unmeasurable (idiom); unfathomable depths / incomprehensible / enigmatic and impossible to predict

unexpected / measureless / unexpected circumstance / contingency / mishap

estimate

mystery / unfathomable / enigmatic

spy out

survey service